lnd: convert to use new kvdb abstraction

server.go

@@ -23,7 +23,6 @@ import (
 	"github.com/btcsuite/btcd/txscript"
 	"github.com/btcsuite/btcd/wire"
 	"github.com/btcsuite/btcutil"
-	"github.com/coreos/bbolt"
 	"github.com/go-errors/errors"
 	sphinx "github.com/lightningnetwork/lightning-onion"
 	"github.com/lightningnetwork/lnd/autopilot"
@@ -32,6 +31,7 @@ import (
 	"github.com/lightningnetwork/lnd/chanbackup"
 	"github.com/lightningnetwork/lnd/chanfitness"
 	"github.com/lightningnetwork/lnd/channeldb"
+	"github.com/lightningnetwork/lnd/channeldb/kvdb"
 	"github.com/lightningnetwork/lnd/channelnotifier"
 	"github.com/lightningnetwork/lnd/clock"
 	"github.com/lightningnetwork/lnd/contractcourt"
@@ -708,7 +708,7 @@ func newServer(listenAddrs []net.Addr, chanDB *channeldb.DB,
 	routingConfig := routerrpc.GetRoutingConfig(cfg.SubRPCServers.RouterRPC)
 
 	s.missionControl, err = routing.NewMissionControl(
-		chanDB.DB,
+		chanDB,
 		&routing.MissionControlConfig{
 			AprioriHopProbability: routingConfig.AprioriHopProbability,
 			PenaltyHalfLife:       routingConfig.PenaltyHalfLife,
@@ -820,7 +820,7 @@ func newServer(listenAddrs []net.Addr, chanDB *channeldb.DB,
 		sweep.DefaultBatchWindowDuration)
 
 	sweeperStore, err := sweep.NewSweeperStore(
-		chanDB.DB, activeNetParams.GenesisHash,
+		chanDB, activeNetParams.GenesisHash,
 	)
 	if err != nil {
 		srvrLog.Errorf("unable to create sweeper store: %v", err)
@@ -2126,7 +2126,7 @@ func (s *server) establishPersistentConnections() error {
 	// each of the nodes.
 	selfPub := s.identityPriv.PubKey().SerializeCompressed()
 	err = sourceNode.ForEachChannel(nil, func(
-		tx *bbolt.Tx,
+		tx kvdb.ReadTx,
 		chanInfo *channeldb.ChannelEdgeInfo,
 		policy, _ *channeldb.ChannelEdgePolicy) error {